diff --git a/.gitignore b/.gitignore
index b45cdb38..a74bc767 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,3 +29,5 @@ website/package-lock.json
 
 # Ignore .swp files
 .swp
+*.whl
+dist/
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 0f644a9a..c344a95b 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -65,7 +65,7 @@ find . -type f -name "*.svg" -exec bash -c 'inkscape -h 256  --export-filename="
 find . -type f -name "*.svg" -exec bash -c 'rm "$0"' {} \;
 ```
 
-If you get any errors with autogen, it will probably be a '+' in  filename 
+If you get any errors with autogen, it will probably be a '+' in  filename
 
 ### Add new provider
 
diff --git a/diagrams/azure/monitor.py b/diagrams/azure/monitor.py
index 22788473..ecf02953 100644
--- a/diagrams/azure/monitor.py
+++ b/diagrams/azure/monitor.py
@@ -38,6 +38,8 @@ class DiagnosticsSettings(_Monitor):
 
 class LogAnalyticsWorkspaces(_Monitor):
     _icon = "log-analytics-workspaces.png"
+
+
 class Logs(_Monitor):
     _icon = "logs.png"
 
diff --git a/poetry.lock b/poetry.lock
index dfcbcc05..0c55810b 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 2.1.1 and should not be changed by hand.
+# This file is automatically @generated by Poetry 2.2.1 and should not be changed by hand.
 
 [[package]]
 name = "astroid"
@@ -96,7 +96,7 @@ description = "Cross-platform colored terminal text."
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,>=2.7"
 groups = ["dev"]
-markers = "platform_system == \"Windows\" or sys_platform == \"win32\""
+markers = "sys_platform == \"win32\" or platform_system == \"Windows\""
 files = [
     {file = "colorama-0.4.6-py2.py3-none-any.whl", hash = "sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6"},
     {file = "colorama-0.4.6.tar.gz", hash = "sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44"},
@@ -661,5 +661,5 @@ test = ["covdefaults (>=2.3)", "coverage (>=7.2.7)", "coverage-enable-subprocess
 
 [metadata]
 lock-version = "2.1"
-python-versions = "^3.9"
-content-hash = "f2b4b65c025fa4562d3687d4cfc9a33f0d1a3b8740a4776cf8fb5427167ce7d8"
+python-versions = "~=3.9"
+content-hash = "a8a90a93b71fbaf7b2c3adc6f9f95b6274285d2c1a218ac58a92697a75df4620"
diff --git a/pyproject.toml b/pyproject.toml
index 539832ac..6e5e19fc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,30 +1,40 @@
-[tool.poetry]
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
 name = "diagrams"
-version = "0.24.4"
+version = "0.25.1"
 description = "Diagram as Code"
-license = "MIT"
-authors = ["mingrammer <mingrammer@gmail.com>"]
+authors = [{ name = "mingrammer", email = "mingrammer@gmail.com" }]
+requires-python = "~=3.9"
 readme = "README.md"
-homepage = "https://diagrams.mingrammer.com"
-repository = "https://github.com/mingrammer/diagrams"
-include = ["resources/**/*"]
+license = "MIT"
+dependencies = [
+    "graphviz>=0.13.2,<0.22.0",
+    "jinja2>=2.10,<4.0",
+    "typed-ast>=1.5.5,<2 ; python_version<'3.8'",
+]
+
+[project.scripts]
+diagrams = "diagrams.cli:main"
 
-[tool.poetry.scripts]
-diagrams="diagrams.cli:main"
+[project.urls]
+Homepage = "https://diagrams.mingrammer.com"
+Repository = "https://github.com/mingrammer/diagrams"
 
-[tool.poetry.dependencies]
-python = "^3.9"
-graphviz = ">=0.13.2,<0.22.0"
-jinja2 = ">=2.10,<4.0"
-typed-ast = {version="^1.5.5", markers="python_version<'3.8'"}
+[dependency-groups]
+dev = [
+    "pytest~=8.3",
+    "pylint~=3.3",
+    "rope~=1.13",
+    "isort~=6.0",
+    "black~=24.4",
+    "pre-commit~=4.0",
+]
 
-[tool.poetry.dev-dependencies]
-pytest = "^8.4"
-pylint = "^3.3"
-rope = "^1.13"
-isort = "^6.0"
-black = "^24.4"
-pre-commit = "^4.3.0"
+[tool.hatch.build]
+only-include = ["diagrams", "resources"]
 
 [tool.black]
 line-length=120
diff --git a/tests/test_diagram.py b/tests/test_diagram.py
index 0760709e..10dc7bd2 100644
--- a/tests/test_diagram.py
+++ b/tests/test_diagram.py
@@ -393,3 +393,49 @@ class ResourcesTest(unittest.TestCase):
             _,
             _ in os.walk(resources_dir))
         self.assertLessEqual(max_depth, 2)
+
+    def test_resources_exist_and_render(self):
+        """
+        Test that resources directory exists and icons can be loaded for rendering.
+        This ensures the package build includes all necessary resource files.
+        """
+        from diagrams.aws.compute import EC2
+        from diagrams.aws.database import RDS
+
+        # Verify resources directory exists
+        resources_dir = pathlib.Path(__file__).parent.parent / "resources"
+        self.assertTrue(resources_dir.exists(), "resources directory should exist")
+
+        # Verify AWS resources exist (sample check)
+        aws_compute_dir = resources_dir / "aws" / "compute"
+        self.assertTrue(aws_compute_dir.exists(), "AWS compute resources should exist")
+
+        # Verify icon files exist
+        ec2_icon = aws_compute_dir / "ec2.png"
+        self.assertTrue(ec2_icon.exists(), "EC2 icon should exist")
+
+        # Test that nodes can load their icons
+        test_diagram_name = "test_resources_render"
+        try:
+            with Diagram(test_diagram_name, show=False):
+                ec2_node = EC2("test-ec2")
+                rds_node = RDS("test-rds")
+
+                # Verify nodes have icon attributes set
+                self.assertIsNotNone(ec2_node._icon, "EC2 node should have an icon")
+                self.assertIsNotNone(rds_node._icon, "RDS node should have an icon")
+
+                # Verify icon paths are valid
+                ec2_icon_path = ec2_node._load_icon()
+                rds_icon_path = rds_node._load_icon()
+
+                self.assertTrue(os.path.exists(ec2_icon_path),
+                                f"EC2 icon path should exist: {ec2_icon_path}")
+                self.assertTrue(os.path.exists(rds_icon_path),
+                                f"RDS icon path should exist: {rds_icon_path}")
+        finally:
+            # Clean up generated files
+            try:
+                os.remove(test_diagram_name + ".png")
+            except FileNotFoundError:
+                pass